Factors to Consider While Buying a Watt Meter

You may find the need to explore the different types of wattmeters available in the market today before narrowing down your choice of a standard wattmeter. So if you know about the different types of wattmeter, below are provided some tips that will help your purchasing decision while purchasing a kWh meter from a trusted manufacturer.

Go for a cheap, cross-needle Putt-Putt wattmeter if you want a measuring instrument that protects from the inverse attenuation effect.

Use the plug-in wattmeter to measure the power of a single appliance or at a specific outlet. Around your office or computer rooms, this instrument can be extensively used for testing the usefulness of an outlet and the power consumption of electronic items plugged into it. By calculating the power flow through a single outlet plug-in wattmeter can detect damaged electronics or bad electrical wiring. In this category one of the simplest and easy-to-use wattmeters includes the Kill-A-Watt EZ from the Power Meter Store.

Test Equipment Depot is liked by professional-grade, kWh energy meter, portable wattmeter’s and the Bird Model 5000-EX digital wattmeter is used by the on-site troubleshooting needs of electrical repair crews, system troubleshooters, and electricians.

Use digital wattmeters to stay on top of your electric bills as they evaluate the overall power consumption of an electrical system. These instruments have learned that how power is being consumed. In the electrical power flow, some advanced models even allow the power monitor to render small changes. In the marketplace, digital wattmeters like the Energy Detective and the EIG Shark 100 are quite a rage. The latter is used for more robust applications, such as large businesses or IT rooms and the former is used to monitor a home office or small business.

Digital radio frequency (RF) wattmeters are used to measure accurate RF power and gain in amplifiers, transmitter power, Standing Wave Ratio (SWR), bandwidth in filters, and return loss.

Some single phase kWh meter have a dual movement meter system that measures and displays forward as well as reflected electric power.

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Uses of Sine Wave and Modified Sine Wave Inverters

 While considering inverters two basic topologies are used: true sine wave and modified sine wave. While trying to decide which one is right for your project then you probably need to have run across them both. Below is provided more information in case you are not sure which to choose or why.

As the name says modified 24v pure sine wave inverter is not a true sine wave at all instead it is simply a stepped wave. Compared to a pure sine wave this wave is not as smooth. However, it may indicate that a modified sine wave inverter is not as good as a true sine wave inverter but maybe this is not the case. While only running a few small loads by narrowing their waveform they can save a lot of energy. To top it off they may even cost half the price of a sine wave inverter.

This not at all indicates that a modified sine inverter does not have some disadvantages to pure sine inverters. The few disadvantages of modified sine inverters are noise distortions that take place in certain radio/audio equipment, fluorescent lighting, transformers, and televisions. In some televisions, this can be in the form of a buzzing or visual distortion. But a 36v pure sine wave inverter is required for inductive loads (microwaves) or variable speed motors (drills, blender). You will find a few electric motors and transformers that draw more current and even run hotter.  However, in an RV or boat, they are a great choice for use and are commonly used in these applications.

True sine wave inverters are much more suited to pumps, running motors, and equipment that would otherwise be very much sensitive in accepting the modified sine wave. Since for some users, the noise distortion can be a nuisance if not a deterrent but a 48v pure sine wave inverter would be the best choice among all. But this never indicates that you cannot use both in the right application. 

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Know About True Sine Wave Inverters and Modified Sine Wave Inverters

150w pure sine wave inverter generally converts Direct Current (DC) to Alternating Current (AC) that exhibits sinusoidal current. Modified sine wave inverters are used to convert DC to AC, but these exhibit non-sinusoidal current. Depending on the application, a significant effect can be produced by the difference between the currents. If your home or building uses a DC power source (e.g. solar panels) and with electrical devices and appliances it experiences problems then the problem may be in the electricity itself and not the electrical system or the products that connect to it.

Usage of Energy

The annoyances that are stated above generally cease when modified sine wave inverters are replaced with true sine wave inverters. But the effects produced on sensitive electronics and appliances can be more than annoying. Non-sinusoidal input can lead the equipment to operate less efficiently. In effect, to carry out its function equipment must use more energy than normal. This effect has a minimal impact on energy usage for devices that don't consume much energy like speakers. On the other hand for equipment such as lighting ballasts, the impact on energy usage is pronounced.

If a building is using a DC power source and consists of electronic equipment that is designed to receive sinusoidal AC then for energy efficiency using true sine wave inverters are essential. If provided the right conditions then by using this 200w pure sine wave inverter you can reduce a building's annual energy bill.

Wearing And Tearing

Equipment that utilizes energy inefficiently will operate inefficiently. In a lot of cases, it has been seen that inefficient operation results in the form of unforeseen maintenance issues and sudden mechanical failures. With complex systems, you will find these types of cases whose parts are prone to experience wear, such as motors. Along with driving up the energy bill by the use of modified sine wave inverters in the wrong equipment can also increase maintenance costs.

Compared to that 300w pure sine wave inverter that emits a sinusoidal current, inverters that emit a non-sinusoidal current are less expensive. However, by the increased energy usage the cost savings can be negated. Follow us on Facebook